Skip to content
sellWeak cluster of 310b5-1 plan

Michael Burkes Brophy sold $116k of NTRA

CHIEF FINANCIAL OFFICER at Natera, Inc.. 792 shares at an average of $146.04, traded Mar 17, 2025, filed Mar 19, 2025.

Warning score
27
Value
$116k
792 shares
Holdings after
71,869
-1% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CFO
    +22
  • Trade size
    $116k at market
    +10
  • Share of holdings sold
    Sold 1.1% of holdings
    0
  • Cluster
    3 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

NTRAOct 9, 2026 · close 400.71
Since filing Mar 19, 2025: +165.6%SPY +40.0% · excess +125.6%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001415889-25-008664, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 17, 2025SOpen-market sale
Common Stock10b5-1
-790$146.03$115k71,871Mar 19, 2025
Mar 17, 2025SOpen-market sale
Common Stock10b5-1
-2$149.58$29971,869Mar 19, 2025

Related signals

Other insiders at Natera, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
38Weak
NTRAsell 310b5-1
Natera, Inc.
Steven Leonard Chapman
CEO AND PRESIDENT
$526k
1,273 shares
-1%
40Moderate
NTRAsell 310b5-1
Natera, Inc.
Solomon Moshkevich
PRESIDENT, CLINICALDIAGNOSTICS
$1.2M
3,000 shares
-3%
55Moderate
NTRAsell 410b5-1
Natera, Inc.
Jonathan Sheena
director, other
$7.0M
18,064 shares
-100%
35Weak
NTRAsell 410b5-1
Natera, Inc.
Jonathan Sheena
director, other
$3.2M
9,150 shares
-4%
40Moderate
NTRAsell 410b5-1
Natera, Inc.
Matthew Rabinowitz
EXECUTIVE CHAIRMAN
$35M
102,000 shares
-5%
40Moderate
NTRAsell 410b5-1
Natera, Inc.
Matthew Rabinowitz
EXECUTIVE CHAIRMAN
$16M
50,000 shares
-2%
39Weak
NTRAsell 410b5-1
Natera, Inc.
Steven Leonard Chapman
CEO AND PRESIDENT
$545k
1,698 shares
-2%
45Moderate
NTRAsell 410b5-1
Natera, Inc.
Solomon Moshkevich
PRESIDENT, CLINICALDIAGNOSTICS
$5.9M
18,160 shares
-14%
45Moderate
NTRAsell 310b5-1
Natera, Inc.
Steven Leonard Chapman
CEO AND PRESIDENT
$979k
6,702 shares
-3%
25Weak
NTRAsell 310b5-1
Natera, Inc.
John Fesko
PRESIDENT, CHIEF BUS. OFFICER
$116k
795 shares
-1%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Michael Burkes Brophy sold $116k of NTRA | InsiderTell